require 'spec_helper'

describe Picky::Backends::Backend do

  let(:backend) { described_class.new }

  describe 'weight' do
    it 'forwards to the parameter' do
      combinations = stub :combinations

      combinations.should_receive(:score).once.with()

      backend.weight combinations
    end
  end

  describe 'to_s' do
    it 'is correct' do
      backend.to_s.should == 'Picky::Backends::Backend'
    end
  end

  # describe 'extract_lambda_or' do
  #   it 'returns a given non-lambda' do
  #     backend.extract_lambda_or(:thing).should == :thing
  #   end
  #   it 'calls a given lambda with the given args' do
  #     lam = ->() do
  #       :lam
  #     end
  #
  #     backend.extract_lambda_or(lam).should == :lam
  #   end
  #   it 'calls a given lambda with the given args' do
  #     lam = ->(arg1) do
  #       arg1.should == 1
  #       :lam
  #     end
  #
  #     backend.extract_lambda_or(lam, 1).should == :lam
  #   end
  #   it 'calls a given lambda with the given args' do
  #     lam = ->(arg1, arg2) do
  #       arg1.should == 1
  #       arg2.should == 2
  #       :lam
  #     end
  #
  #     backend.extract_lambda_or(lam, 1, 2).should == :lam
  #   end
  # end

end